Home / 27,634.78-38,142.15-17,561.26

Finding the Fourth Proportional to 27,634.78, 38,142.15 and 17,561.26

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Solution

The fourth proportional to 27,634.78, 38,142.15 and 17,561.26 is: 24,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.78 : 38,142.15 = 17,561.26 : x
  2. Step 2: Convert to fraction form
    27,634.78/38,142.15 = 17,561.26/x
  3. Step 3: Cross multiply
    27,634.78x = 38,142.15 × 17,561.26
  4. Step 4: Simplify right side
    27,634.78x = 669,824,079.16
  5. Step 5: Solve for x
    x = 669,824,079.16/27,634.78
  6. Step 6: Final answer
    x = 24,238.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.